QUESTION 2 (a) Using the aid of schematic and T - s diagram, explain how regeneration cam improve the thermal efficiency of gas turbine working on Brayton cycle. (b) An aircraft engine operates on a simple ideal Brayton cycle with a pressure ratio of 10. Heat is added to the cycle at a rate of 500 kW; air passes through the engine at a rate of 1 kg/s; and the air at the beginning of the compression is at 70 kPa and 0°C. Evaluate the power produced by this engine and its thermal efficiency. Use constant specific heat at room temperature.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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QUESTION 2
(a) Using the aid of schematic and T - s diagram, explain how regeneration can
improve the thermal efficiency of gas turbine working on Brayton cycle.
(b) An aircraft engine operates on a simple ideal Brayton cycle with a pressure ratio of
10. Heat is added to the cycle at a rate of 500 kW; air passes through the engine at
a rate of 1 kg/s; and the air at the beginning of the compression is at 70 kPa and
O°C. Evaluate the power produced by this engine and its thermal efficiency. Use
constant specific heat at room temperature.
Transcribed Image Text:QUESTION 2 (a) Using the aid of schematic and T - s diagram, explain how regeneration can improve the thermal efficiency of gas turbine working on Brayton cycle. (b) An aircraft engine operates on a simple ideal Brayton cycle with a pressure ratio of 10. Heat is added to the cycle at a rate of 500 kW; air passes through the engine at a rate of 1 kg/s; and the air at the beginning of the compression is at 70 kPa and O°C. Evaluate the power produced by this engine and its thermal efficiency. Use constant specific heat at room temperature.
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